specific — having a special application, bearing, or reference; specifying, explicit, or definite: to state one's specific purpose.
terrific — extraordinarily great or intense: terrific speed.
Four-or-more syllable rhymes
honorific — Also, honorifical. doing or conferring honor.
scientific — of or relating to science or the sciences: scientific studies.
transpacific — passing or extending across the Pacific.
Four-or-more syllable rhymes
hieroglyphic — Also, hieroglyphical. designating or pertaining to a pictographic script, particularly that of the ancient Egyptians, in which many of the symbols are conventionalized, recognizable pictures of the things represented.
unscientific — not scientific; not employed in science: an unscientific measuring device.
Four-or-more syllable rhymes
pseudoscientific — any of various methods, theories, or systems, as astrology, psychokinesis, or clairvoyance, considered as having no scientific basis.